Thermo mug



FIG. 1 is a perspective view of a thermo mug showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof, a rear view being a mirror image thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a thermo mug, as shown and described. 